Table 1 Clinical characteristics
Variable | Value | |
|---|---|---|
Age (median) | Years (range) | 72 (25–90) |
Sex | Male Female | 309 cases 128 cases |
Tumor localizationa | Perihilar Distal | 349 cases (631 samples) 90 cases (161 samples) |
Number of biopsies | 1 2 3 ≥ 4 | 215 cases 161 cases 32 cases 29 cases |
Macroscopic typeb | Papillary/nodular Flat | 199 cases (342 samples) 236 cases (447 samples) |
Medical history of EST | Yes No (untreated papilla) | 172 cases (308 samples) 253 cases (462 samples) |
EBSc | Yes No | 275 times (475 samples) 189 times (303 samples) |
Median total bilirubin level | mg/dL (range) | 1.3 (0.1–33.1) |